Final answer:
Bulimia nervosa is an eating disorder that can result in physical changes and serious health consequences. These include electrolyte imbalances, irregular heartbeat, stomach or esophagus rupture, dental enamel erosion, and kidney and heart failure.
Step-by-step explanation:
Bulimia nervosa is an eating disorder characterized by recurrent episodes of binge eating followed by purging. While people with bulimia nervosa may or may not have abnormal weight, physical changes such as electrolyte imbalances and irregular heartbeat can occur due to repeated binging and purging.
Other potential physical consequences include stomach or esophagus rupture, dental enamel erosion, and serious health problems like kidney and heart failure.